Transcription of A downloadable spreadsheet ... - Chemical Engineering
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Engineering Practice Chemical Engineering September 2011 55 This article presents equations that allow the user to calculate liquid volume as a function of liquid depth, in both vertically and horizontally oriented tanks with dished heads. The equations accom-modate all tank heads that can be de-scribed by two radii of curvature (tori-spherical heads). Examples include: ASME flanged & dished (F&D) heads, ASME 80/10 F&D heads, ASME 80/6 F&D heads, standard F&D heads, shallow F&D heads, 2:1 elliptical heads and spherical heads. Horizontal tanks with true elliptical heads of any aspect ratio can also be accommodated using this approach can be used to pre-pare a lookup table for a specific tank, which yields liquid volumes (and weights) for a range of liquid depths.
Sep 05, 2017 · ChemiCal engineering www.Che.Com September 2011 57 (17) To calculate α 2 we apply the Pythago-rean Theorem to the right triangle whose hypotenuse is a line between the origin of the spherical radius and the origin of knuckle radius, as shown in Equation 18: (18) Solving that for α 2 gives: (19) α k is located at the top of Region 2, so
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